161 lines
4.6 KiB
Python
161 lines
4.6 KiB
Python
#coding=utf-8
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from django.core.management.base import BaseCommand, CommandError
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from django.core.files import File
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from xcards.cards.models import *
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import os
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from lxml import etree
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class Command(BaseCommand):
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args = '<filepath to open>'
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help = 'Import data from an xml file generated by gc-star'
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def handle(self, *args, **options):
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if args is None or len(args) == 0:
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raise Exception("Aucun fichier n'a été fourni en argument.")
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l = self.fetch_gclist(args[0])
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for item in l:
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self.insert(item)
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self.stdout.write('Successfully import information from data file\n')
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def fetch_gclist(self, filepath):
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"""
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Ouvre un fichier GCStar structuré de la manière suivante:
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<collection...>
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<item
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gcsfield1="France" => pays
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gcsfield2="1" => avec ou sans puce
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gcsfield3="france/Alimentation/Gourmandises/milka 50.jpg" => image
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gcsfield4="Gourmandises" => souscatégorie
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gcsfield5="50" => unités
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gcsfield6="Milka Lila Pause" => label
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gcsfield7="02/1996" => année d'émission
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gcsfield8="" => date d'expiration
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gcsfield9="B61013013" => pas utile
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gcsfield10="1000000" => tirage
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gcsfield11="Alimentation " => catégorie
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gcsautoid="19" => nafout
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>
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</collection>
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"""
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if not os.path.exists(filepath):
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raise IOError("Le fichier fourni en paramètre n'existe pas.")
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element = etree.parse(filepath)
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items = element.xpath('//collection/item')
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my_list = list()
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for item in items:
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attrs = item.attrib
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i = GCItem()
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i.country = attrs.get('gcsfield1')
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i.with_chip = attrs.get('gcsfield2')
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i.image_path = self._get_absfilepath(os.path.dirname(filepath), attrs.get('gcsfield3'))
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i.subcategory = attrs.get('gcsfield4')
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i.units = attrs.get('gcsfield5')
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i.label = attrs.get('gcsfield6')
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i.emissionDate = attrs.get('gcsfield7')
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i.expirationDate = attrs.get('gcsfield8')
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i.numberOfCopies = attrs.get('gcsfield10')
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i.category = attrs.get('gcsfield11')
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i.gcsid = attrs.get('gcsautoid')
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my_list.append(i)
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return my_list
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def _get_absfilepath(self, folderpath, filepath):
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"""
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En paramètres:
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- le dossier dans lequel se trouve le fichier xml
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- le fichier à trouver
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Si le chemin référence déjà un chemin absolu, on le retourne simplement,
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sinon, on combine les deux (le dossier et le chemin vers le fichier) et on retourne le résultat
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s'il existe. Note: dans certains cas, GCStar stocke ses fichiers dans un dossier 'collection_images'.
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Si le fichier n'a pas été trouvé, on jette une exception de type IOError.
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"""
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if filepath.startswith('./'):
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filepath = filepath[2:]
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possiblePaths = (filepath, os.path.join(folderpath, 'collection_images', filepath),
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os.path.join(folderpath, filepath),)
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for file in possiblePaths:
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if os.path.exists(file):
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return os.path.abspath(file)
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#raise IOError("Le fichier référencé n'existe pas. Chemins essayés: %s" % (', '.join(possiblePaths)))
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self.stdout.write("Le fichier référencé n'existe pas. Chemins essayés: %s" % (', '.join(possiblePaths)))
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return None
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def insert(self, item):
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"""
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Insère un item provenant de GCStar dans la base de données.
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"""
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i = Item()
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country, created = Country.objects.get_or_create(label=item.country.strip())
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i.country = country
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category, created = Category.objects.get_or_create(label=item.category.strip())
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i.category = category
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subcategory, created = SubCategory.objects.get_or_create(label=item.subcategory.strip())
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i.subcategory = subcategory
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i.units = item.units
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i.label = item.label
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i.emissionDate = item.emissionDate
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i.expirationDate = item.expirationDate
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i.numberOfCopies = item.numberOfCopies
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if item.image_path is not None:
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i.image.save(os.path.basename(item.image_path), File(open(item.image_path, 'rb')))
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i.save()
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class GCItem():
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"""
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i.country = attrs.get('gcsfield1')
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i.with_chip = attrs.get('gcsfield2')
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i.image_path = attrs.get('gcsfield3')
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i.subcategory = attrs.get('gcsfield4')
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i.units = attrs.get('gcsfield5')
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i.label = attrs.get('gcsfield6')
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i.emissionDate = attrs.get('gcsfield7')
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i.expirationDate = attrs.get('gcsfield8')
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i.numberOfCopies = attrs.get('gcsfield10')
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i.category = attrs.get('gcsfield11')
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"""
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country = None
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with_chip = False
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image_path = None
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subcategory = None
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units = None
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label = None
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emissionDate = None
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expirationDate = None
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numberOfCopies = None
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category = None
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gcsid = None
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def __str__(self):
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return u'%s / %s / %s / %s' % (self.country, self.category, self.subcategory, self.image_path)
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def __unicode__(self):
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return u'%s / %s / %s / %s' % (self.country, self.category, self.subcategory, self.image_path)
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